* {
  margin: 0;
  padding: 0;
}
.img1 {
  display: block;
  margin: 0 auto;
  padding-bottom: 5px;
}
.title {
  height: 50px;
  background-color: #a2dbf9;
}
.nav {
  width: 989px;
  height: 50px;
  margin: 0 auto;
}
.nav a {
  display: block;
  width: 100px;
  height: 50px;
  background-color: rgb(153, 184, 241);
  text-align: center;
  line-height: 50px;
  font-size: 16px; 
  color: white;
  text-decoration: none;
}
.content {
  width: 989px;
  margin: 0 auto;
}
.img2 {
  width: 100%;
}
p {
  margin: 20px 0;
  font-size: 12px;
  line-height: 24px;
  color: #6e6d6d;
}
footer {
  padding: 6px;
  text-align: center;
  background-color: skyblue;
  margin-top: 120px;
  font-size: 12px;
  color: #726e6e; 
}
